clear_all_cache <methodsynopsis> <type>void</type><methodname>clear_all_cache</methodname> <methodparam choice="opt"><type>int</type><parameter>expire_time</parameter></methodparam> </methodsynopsis> <para> This clears the entire template cache. As an optional parameter, you can supply a minimum age in seconds the cache files must be before they will get cleared. </para> <example> <title>clear_all_cache clear_all_cache(); ?> ]]>